MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 245e18b14a6b231f2a89b812dace828478aa24419d600e2ac8c7acd989320e1a. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 14


Intelligence 14 IOCs YARA 4 File information Comments

SHA256 hash: 245e18b14a6b231f2a89b812dace828478aa24419d600e2ac8c7acd989320e1a
SHA3-384 hash: b68d650fcfedf2e3c72e3f9938d641a073bf6064e137f72867b93eccce150dfea2714bcf1a5dc08e320c2b12a580fbe2
SHA1 hash: fc83546ee73bea22ea563b9644700abef62d0ef2
MD5 hash: b5fdcd6723e679c54a5f8652c59bc52a
humanhash: solar-bulldog-jupiter-stream
File name:KAF-PR-21-F-3089_pdf.exe
Download: download sample
Signature AgentTesla
File size:557'568 bytes
First seen:2021-09-15 06:55:39 UTC
Last seen:2021-09-15 06:59:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:HH9v2dlQDbCMN4K4CDdAbOo3JdJI/Z11RNq6/dLcUkp2QtQkZg8rze42L+Vou6c1:KWHCM2K4Cuin1+kFKVjBuL+ifa+eK
Threatray 9'868 similar samples on MalwareBazaar
TLSH T1E9C48C243BAB4019F072AA757AD7EDF6E95ABF622E06941B10D03F4736239C1CEC152D
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
KAF-PR-21-F-3089_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-15 07:01:02 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 483902 Sample: KAF-PR-21-F-3089_pdf.exe Startdate: 15/09/2021 Architecture: WINDOWS Score: 100 49 Multi AV Scanner detection for dropped file 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Yara detected AgentTesla 2->53 55 9 other signatures 2->55 7 KAF-PR-21-F-3089_pdf.exe 7 2->7         started        11 xepul.exe 5 2->11         started        13 xepul.exe 2->13         started        process3 file4 29 C:\Users\user\AppData\Roaming\OgRWrNP.exe, PE32 7->29 dropped 31 C:\Users\user\...\OgRWrNP.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\Local\Temp\tmp56.tmp, XML 7->33 dropped 35 C:\Users\...\KAF-PR-21-F-3089_pdf.exe.log, ASCII 7->35 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 7->61 15 KAF-PR-21-F-3089_pdf.exe 2 5 7->15         started        19 powershell.exe 22 7->19         started        21 schtasks.exe 1 7->21         started        63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 67 Adds a directory exclusion to Windows Defender 11->67 23 powershell.exe 11->23         started        69 Injects a PE file into a foreign processes 13->69 signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...\xepul.exe, PE32 15->37 dropped 39 C:\Users\user\...\xepul.exe:Zone.Identifier, ASCII 15->39 dropped 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->41 43 Tries to steal Mail credentials (via file access) 15->43 45 Tries to harvest and steal ftp login credentials 15->45 47 2 other signatures 15->47 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-09-15 05:21:54 UTC
AV detection:
13 of 45 (28.89%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
405fca12683010e887efbe06b1f3025b6344013f461622729d78f68a45f21f5f
MD5 hash:
0329827ffdf54493de2e075ef5dd18db
SHA1 hash:
6fa6773030d20b9515b628cade7447c019315462
SH256 hash:
76ea9b8611e9117eb46c6cc07455778dea533f4896a9a426bc7b1dd7a2ceae98
MD5 hash:
2e48a5dbdbc05bc017ccb86b559ab48c
SHA1 hash:
6598ddf871c427ba2263cb33c502181f8698bdc4
SH256 hash:
29700ab96fe1147cd3fdd2ef38f1a52c9a72aa2a5e5c0b660944ba1e1894f777
MD5 hash:
c267b085f898cd8bcf9b0b1b82dec654
SHA1 hash:
3f457d002ded9f5c650e9500df3685c1633390d1
SH256 hash:
245e18b14a6b231f2a89b812dace828478aa24419d600e2ac8c7acd989320e1a
MD5 hash:
b5fdcd6723e679c54a5f8652c59bc52a
SHA1 hash:
fc83546ee73bea22ea563b9644700abef62d0ef2
Malware family:
Agent Tesla v3
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 245e18b14a6b231f2a89b812dace828478aa24419d600e2ac8c7acd989320e1a

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments